* {
  padding: 0;
  margin: 0;
  outline: 0;
  box-sizing: border-box;
}

body {
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(100deg, #F2F3F7 49.9%, #262626 50%);
  transition: all 300ms ease;
}

@media(max-width: 675px) {
  body {
    min-height: 1200px;
    flex-direction: column;
    background: linear-gradient(180deg, #F2F3F7 50%, #262626 50%);
  }
}

.container {
  width: 250px;
  min-width: 250px;
  height: 0;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
  border-radius: 30px;
  margin: 0 50px;
  overflow: hidden;
  animation: showContainer 1s;
  animation-delay: .5s;
  animation-fill-mode: forwards;
}

@keyframes showContainer {
  from { height: 0 }
  to { height: 500px }
}

#light-container {
  box-shadow: -2px -2px 8px rgba(255, 255, 255, 1),
              -2px -2px 12px rgba(255, 255, 255, 0.5),
              inset 2px 2px 4px rgba(255, 255, 255, 0.1),
              2px 2px 8px rgba(0, 0, 0, 0.15);
  transform: translateY(-50px);
}

#dark-container {
  box-shadow: #000000 4px 4px 8px, 
              #4D4D4D -4px -4px 8px;
  transform: translateY(50px);
}

.container .action-button {
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: transparent;
  border: none;
  border-radius: 150px;
  margin: 15px;
  cursor: pointer;
  transition: all 400ms ease;
}

#light-container .action-button {
  box-shadow: -2px -2px 8px rgba(255, 255, 255, 1),
              -2px -2px 12px rgba(255, 255, 255, 0.5),
              inset 2px 2px 4px rgba(255, 255, 255, 0.1),
              2px 2px 8px rgba(0, 0, 0, 0.15);
}

#dark-container .action-button {
  box-shadow: #000000 2px 2px 8px, 
              #4d4d4d -2px -2px 8px;
}

#light-container .action-button.active {
  box-shadow: inset -2px -2px 8px rgba(255, 255, 255, 1),
						  inset -2px -2px 12px rgba(255, 255, 255, 0.5),
						  inset 2px 2px 4px rgba(255, 255, 255, 0.1),
						  inset 2px 2px 8px rgba(0, 0, 0, 0.15);  
  transform: scale(0.95);
}

#dark-container .action-button.active {
  box-shadow: inset #000000 2px 2px 8px, 
              inset#4d4d4d -2px -2px 8px;
  transform: scale(0.95);
}

.container .action-button i {
  color: #D1D2DA;
  font-size: 30px;
  transition: all 300ms ease;
}

.container .action-button.active i {
  font-size: 28px;
}

#light-container .action-button.active i {
  color: #35E135;
  text-shadow: 0 0 10px #37FF37;
}

#dark-container .action-button.active i {
  color: #00A8FF;
  text-shadow: 0 0 10px #15B3FF;
}